CN217425317U - Novel thin-layer chromatography expandes jar - Google Patents
Novel thin-layer chromatography expandes jar Download PDFInfo
- Publication number
- CN217425317U CN217425317U CN202220684383.9U CN202220684383U CN217425317U CN 217425317 U CN217425317 U CN 217425317U CN 202220684383 U CN202220684383 U CN 202220684383U CN 217425317 U CN217425317 U CN 217425317U
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- Prior art keywords
- cylinder body
- expansion
- injection channel
- channel
- communicated
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- Expired - Fee Related
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- 238000004809 thin layer chromatography Methods 0.000 title claims abstract description 21
- 238000002347 injection Methods 0.000 claims abstract description 36
- 239000007924 injection Substances 0.000 claims abstract description 36
- 238000011084 recovery Methods 0.000 claims abstract description 31
- 238000007789 sealing Methods 0.000 claims abstract description 27
- 238000005192 partition Methods 0.000 claims description 5
- 229920002943 EPDM rubber Polymers 0.000 claims description 3
- 229920001973 fluoroelastomer Polymers 0.000 claims description 3
- 239000004636 vulcanized rubber Substances 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 abstract description 24
- 230000006378 damage Effects 0.000 abstract description 5
- 208000027418 Wounds and injury Diseases 0.000 abstract description 2
- 208000014674 injury Diseases 0.000 abstract description 2
- 239000002904 solvent Substances 0.000 description 12
- 238000011161 development Methods 0.000 description 10
- 239000011521 glass Substances 0.000 description 9
- 238000002474 experimental method Methods 0.000 description 5
- 239000003960 organic solvent Substances 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000520 microinjection Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000005526 G1 to G0 transition Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004451 qualitative analysis Methods 0.000 description 1
- 239000012925 reference material Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
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- Treatment Of Liquids With Adsorbents In General (AREA)
Abstract
The utility model discloses a novel thin-layer chromatography expandes jar belongs to laboratory glassware technical field. The device comprises a cylinder body of an expansion cylinder, wherein an opening is formed in the upper part of the cylinder body, a dividing tower is arranged at the bottom of the cylinder body, and two expansion grooves are formed in the cylinder body by dividing the dividing tower; an injection channel is arranged in one side of the cylinder body, a first one-way valve is connected to the inlet end of the injection channel in an external mode, the outlet end of the injection channel is communicated with the bottom of an expansion tank, a recovery channel is arranged in the other side of the cylinder body, the inlet end of the recovery channel is communicated with the bottom of the expansion tank communicated with the injection channel, and a second one-way valve is connected to the outlet end of the recovery channel in an external mode; and a sealing cover is arranged at an opening above the cylinder body. Through the utility model discloses, set up injection channel and recovery passageway and connect the check valve respectively with diapire inside at the lateral wall of cylinder body for have volatility and let in, derive the expansion tank and go on in sealed environment to the harmful expansion agent of human body, greatly reduce volatilizing of expansion agent, avoid causing the injury to the human body.
Description
Technical Field
The utility model relates to a novel thin-layer chromatography expandes jar belongs to laboratory glassware technical field.
Background
Thin Layer Chromatography (TLC) is performed by applying a suitable stationary phase to a glass plate, plastic or aluminum substrate as a thin, uniform layer. After spotting and developing, comparing the specific shift value (Rf) with that of proper reference material in the chromatogram obtained in the same way to perform drug identification, impurity inspection or content determination. Thin layer chromatography is an important experimental technique for rapid separation and qualitative analysis of small amounts of substances and is also used to follow the progress of the reaction.
The carrier plate for coating the thin layer comprises a glass plate, an aluminum foil and a plastic plate, and the requirements on the thin layer plate are as follows: glass sheets are most commonly used because they require a certain mechanical strength and chemical inertness, and are uniform in thickness and flat in surface.
The development of thin layer chromatography needs to be carried out in a development cylinder, namely a thin layer chromatography development cylinder. The thin-layer chromatography developing cylinder should ensure the tightness and prevent the developing agent in the developing cylinder from volatilizing. Most organic solvents in the developing solvent have certain toxicity and harm human health.
The existing thin-layer chromatography developing cylinder adopts a glass box, on one hand, the upper part of the glass box is directly covered by a glass cover plate, the sealing property is poor, and a developing agent is easy to volatilize, so that the proportion deviation of the developing agent is caused, and the developing experiment result is influenced; on the other hand, the process of pouring the developing solvent into and out of the developing cylinder is performed in an open environment, and the developing solvent is easily volatilized and inhaled by an operator, thereby causing harm to the human body.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, an object of the utility model is to provide a novel thin-layer chromatography expandes jar, the seal is good, avoids expandeing the proportion deviation, and the injection and the recovery of expansion agent are all gone on in airtight environment, can not produce and volatilize, reduce the harm to the human body.
The utility model discloses the technical problem that will solve takes following technical scheme to realize:
a novel thin-layer chromatography expansion cylinder comprises a cylinder body of the expansion cylinder, wherein an opening is formed in the upper portion of the cylinder body, a dividing tower is arranged at the bottom of the cylinder body, and two expansion grooves are formed in the cylinder body by dividing the dividing tower;
an injection channel is arranged in one side of the cylinder body, a first one-way valve is connected to the inlet end of the injection channel in an external mode, the outlet end of the injection channel is communicated with the bottom of an expansion tank, a recovery channel is arranged in the other side of the cylinder body, the inlet end of the recovery channel is communicated with the bottom of the expansion tank communicated with the injection channel, and a second one-way valve is connected to the outlet end of the recovery channel in an external mode;
and a sealing cover is arranged at an opening above the cylinder body.
In a preferred embodiment, the outlet end of the injection channel and the inlet end of the recovery channel are both provided with funnel-shaped grooves, the large-caliber openings of the funnel-shaped grooves are communicated with the expansion grooves, and the small-caliber openings are respectively communicated with the injection channel and the recovery channel.
As a preferable example, the inner sides of the upper parts of the side walls of the cylinder body at the two sides of the injection channel and the recovery channel are provided with clamping grooves, the upper parts of the other two side walls are provided with rectangular openings, the clamping grooves and the rectangular openings are internally provided with elastic sealing gaskets, the four sides of the sealing cover are respectively positioned in the clamping grooves and the rectangular openings, and the center of the top of the sealing cover is provided with a handle.
As a preferable example, the elastic sealing gasket is made of any one of fluororubber, ethylene propylene diene monomer rubber and vulcanized rubber.
The beneficial effects of the utility model are that:
(1) through the utility model, a novel thin-layer chromatography expansion cylinder is provided, wherein an injection channel and a recovery channel are arranged inside the side wall and the bottom wall of the cylinder body and are respectively connected with a one-way valve, so that the introduction and the derivation of the expansion agent which has volatility and is harmful to the human body are all carried out in a sealed environment, the volatilization of the expansion agent is greatly reduced, and the injury to the human body is avoided;
(2) through the utility model, the outlet end of the injection channel and the inlet end of the recovery channel are both provided with the funnel-shaped grooves, the funnel-shaped grooves at the outlet end of the injection channel can reduce the injection when the developing agent is introduced, thereby reducing the volatilization of the developing agent, and the funnel-shaped grooves at the inlet end of the recovery channel can converge the developing agent to facilitate the complete recovery;
(3) through the utility model discloses, be equipped with recess and rectangle opening at cylinder body lateral wall inboard all around to be equipped with the elastic sealing pad in recess and rectangle opening, can guarantee the leakproofness between sealed lid and the cylinder body, reduce the expansion agent and volatilize, when sealed lid is taken out from the rectangle opening simultaneously, the handle can be blockked by the lateral wall, makes sealed lid part open, reduces volatilizing of expansion agent in the experimentation.
Drawings
Fig. 1 is a schematic front sectional view of an expansion cylinder according to an embodiment of the present invention;
fig. 2 is a schematic side view of a cross-sectional structure of a deployment cylinder according to an embodiment of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 4 is an enlarged view of the structure at B in FIG. 2;
FIG. 5 is an enlarged view of the structure at C in FIG. 2;
fig. 6 is a schematic perspective view of an expansion cylinder according to an embodiment of the present invention;
fig. 7 is a schematic structural view of the working principle of the expansion cylinder sealing cover in the embodiment of the present invention.
In the figure: 1. a cylinder body; 101. a front side wall; 102. a rear sidewall; 103. a left side wall; 104. a right side wall; 105. a bottom wall; 106. a dividing tower; 2. a first expansion slot; 3. a second expansion slot; 4. an injection channel; 5. a first check valve; 6. a micro infusion pump; 7. a funnel-shaped groove; 8. a recovery channel; 9. a second one-way valve; 10. a micro suction pump; 11. a sealing cover; 12. a grip; 13. a card slot; 14. a rectangular opening; 15. an elastic gasket.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention will be further explained by combining with the specific drawings and embodiments.
The embodiment is as follows:
as shown in fig. 1-7, the embodiment of the present invention provides a novel thin layer chromatography developing cylinder, which can make the injection and recovery of the developing agent all performed in a closed environment without volatilization. As shown in fig. 1-2, the cylinder body 1 specifically includes an expansion cylinder, the cylinder body 1 is made of glass, the glass is resistant to corrosion of organic solvents and is common in thin-layer chromatography expansion experiments, the cylinder body 1 is rectangular, an opening capable of placing thin-layer plates is arranged above the cylinder body 1, the cylinder body 1 includes a front side wall 101, a rear side wall 102, a left side wall 103, a rear side wall 102 and a bottom wall 105, a raised partition tower 106 is formed above the bottom wall 105 of the cylinder body 1, two ends of the partition tower 106 are respectively connected with the left side wall 103 and the right side wall 104, the partition tower 106 divides the bottom of the cylinder body 1 into two expansion slots, namely a first expansion slot 2 and a second expansion slot 3, wherein the first expansion slot 2 is used for pouring expansion agents.
As shown in fig. 1, an injection channel 4 is opened inside a right side wall 104 and a bottom wall 105 of a cylinder body 1 through a glass production process, wherein an inlet end of the injection channel 4 is positioned on the outer surface of the right side wall 104 and is connected with a first one-way valve 5, the first one-way valve 5 ensures that a developing agent can only enter, an outlet end of the injection channel 4 is opened from the bottom wall 105 of the cylinder body 1 and is communicated with a first developing tank 2, a recovery channel 8 is opened inside the bottom wall 105 and a left side wall 103 of the cylinder body 1, an inlet end of the recovery channel 8 is positioned on the upper surface of the bottom wall 105 and is communicated with the first developing tank 2, an outlet end of the recovery channel 8 is positioned on the outer surface of the left side wall 103 or the bottom wall 105 and is connected with a second one-way valve 9, and the second one-way valve 9 ensures that the developing agent can only be pumped out. The first one-way valve 5 and the second one-way valve 9 can be connected with a micro pump, wherein the first one-way valve 5 is connected with a micro injection pump 6 and can pump the developing solvent into the injection channel 4, or manually inject the developing solvent by adopting a syringe and the like, the second one-way valve 9 is connected with a micro suction pump 10 and can suck the developing solvent in the developing tank from the recovery channel 8, or manually suck and recover the developing solvent by adopting a syringe and the like.
As shown in fig. 1-4, a sealing cover 11 is disposed at an upper opening of the cylinder 1, a clamping groove 13 is disposed at an inner side above a left side wall 103 and a right side wall 104 of the cylinder 1, a rectangular opening 14 is disposed above a front side wall 101 and a rear side wall 102, elastic sealing gaskets 15 are disposed in the clamping groove 13 and the rectangular opening 14, left and right sides of the sealing cover 11 are respectively located in the clamping groove 13 of the left side wall 103 and the right side wall 104, front and rear sides of the sealing cover 11 are respectively inserted into the rectangular openings 14 of the front side wall 101 and the rear side wall 102, a grip 12 is fixed at a top center of the sealing cover 11, the sealing cover 11 can move back and forth along a length direction of the clamping groove 13 through the grip 12, and when the grip 12 moves to contact the front side wall 101 or the rear side wall 102, the sealing cover 11 opens the opening of the cylinder 1 by half, thereby reducing volatilization of the developing solvent during the experiment.
Preferably, as shown in fig. 1-2 and 5, a funnel-shaped groove 7 is provided at the outlet end of the injection passage 4 and the inlet end of the recovery passage 8, a large-caliber opening of the funnel-shaped groove 7 is communicated with the first expansion slot 2, and a small-caliber opening is respectively communicated with the injection passage 4 and the recovery passage 8. The funnel-shaped groove 7 at the outlet end of the injection channel 4 can reduce the injection of the developing solvent when the developing solvent is introduced, so that the volatilization of the developing solvent is reduced, and the funnel-shaped groove 7 at the inlet end of the recovery channel 8 can ensure that the developing solvent is converged and is convenient to completely recover.
Preferably, in order to make the elastic sealing gasket 15 resistant to the corrosion of organic solvents, the elastic sealing gasket 15 is made of any one of fluororubber, epdm rubber, and vulcanized rubber.
The working principle is as follows:
when experimenters carry out thin-layer chromatography development experiments, a developing agent is pumped out from a bottle body storing the developing agent through a micro injection pump 6, the developing agent is introduced into a first development tank 2 through a first one-way valve 5, an injection channel 4 and a funnel-shaped groove 7, wherein the injection process is carried out in a closed environment, the developing agent cannot volatilize, after a certain amount (not higher than a dividing tower 106) of the developing agent is introduced into the first development tank 2, a sealing cover 11 is firstly opened, a handle 12 is abutted against a front side wall 101, then a thin-layer plate prepared in advance is inserted into a development cylinder, one end of the thin-layer plate is abutted against a rear side wall 102 in a second development tank 3, the sealing cover 11 is closed, after the thin-layer plate is saturated, the thin-layer plate is taken out, one end of the thin-layer plate is inserted into the first development tank 2 and immersed into the developing agent, when the thin-layer plate is developed, one end of the thin-layer plate is abutted against the first development tank 2, the other end of the front side wall 101, the sealing cover 11 seals the deployment cylinder during deployment. After the unfolding is finished, the thin layer plate is taken out, a micro suction pump 10 is started, and the unfolding agent in the first unfolding tank 2 is sucked and recovered through the funnel-shaped groove 7, the recovery channel 8 and the second one-way valve 9.
The foregoing text describes and illustrates the principles, principal features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are intended to be included within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a novel thin-layer chromatography expandes jar, is equipped with the opening including the cylinder body that expandes the jar, the cylinder body bottom is equipped with the partition tower, two expansion grooves, its characterized in that are cut apart by the partition tower to the cylinder body is inside:
an injection channel is arranged in one side of the cylinder body, a first one-way valve is connected to the inlet end of the injection channel in an external mode, the outlet end of the injection channel is communicated with the bottom of an expansion tank, a recovery channel is arranged in the other side of the cylinder body, the inlet end of the recovery channel is communicated with the bottom of the expansion tank communicated with the injection channel, and a second one-way valve is connected to the outlet end of the recovery channel in an external mode;
a sealing cover is arranged at an opening above the cylinder body.
2. The novel thin-layer chromatography expansion cylinder as claimed in claim 1, wherein the outlet end of the injection channel and the inlet end of the recovery channel are provided with funnel-shaped grooves, the large-caliber openings of the funnel-shaped grooves are communicated with the expansion groove, and the small-caliber openings are respectively communicated with the injection channel and the recovery channel.
3. The novel thin layer chromatography expansion cylinder as claimed in claim 1, wherein the side walls of the cylinder body at the two sides of the injection channel and the recovery channel are provided with a clamping groove at the inner side, the other two side walls are provided with a rectangular opening at the upper side, the clamping groove and the rectangular opening are provided with elastic sealing gaskets, the four sides of the sealing cover are respectively positioned in the clamping groove and the rectangular opening, and the top center of the sealing cover is provided with a handle.
4. The novel thin layer chromatography expansion cylinder according to claim 3, wherein the elastic sealing gasket is made of any one of fluororubber, ethylene propylene diene monomer rubber and vulcanized rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220684383.9U CN217425317U (en) | 2022-03-22 | 2022-03-22 | Novel thin-layer chromatography expandes jar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220684383.9U CN217425317U (en) | 2022-03-22 | 2022-03-22 | Novel thin-layer chromatography expandes jar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217425317U true CN217425317U (en) | 2022-09-13 |
Family
ID=83181309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220684383.9U Expired - Fee Related CN217425317U (en) | 2022-03-22 | 2022-03-22 | Novel thin-layer chromatography expandes jar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217425317U (en) |
-
2022
- 2022-03-22 CN CN202220684383.9U patent/CN217425317U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220913 |